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Energy Part one test review

Total questions: 46

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

Which law of motion is best described by "inertia"?

a)

1st

b)

2nd

c)

3rd

2.

Which law would we think of when we see the flames of a rocket shooting down so the rocket can go up?

a)

1st

b)

2nd

c)

3rd

3.

Which law can be simply described with the equation:

F = MxA

a)

1st

b)

2nd

c)

3rd

4.

Newton said that an object at rest stays at rest, with which law?

a)

1st

b)

2nd

c)

3rd

5.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
6.

If we put the same force on a bowling ball and a soccer ball, the soccer ball will move faster! Which law explains this?

a)

1st

b)

2nd

c)

3rd

7.

Which law explains that it would take more force to push the car than the lawnmower?

a)

1st

b)

2nd

c)

3rd

8.

Which law explains why the driver "keeps moving forwards, even though the car has stopped"?

a)

1st

b)

2nd

c)

3rd

9.

Which way would a swimmer push to move forward in the water?

a)

To the left

b)

Forward

c)

Backward

10.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
11.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

12.

Looking at the image. Decide if this is balanced or unbalanced.

a)

Unbalanced

b)

Balanced

13.
Friction can be described as a:
a)
non-contact force
b)
contact force
c)
slowing of motion
d)
rough surface
14.
Choose the BEST answer that describes how the mass of an object affects its motion.
a)
The greater the mass of an object, the slower the motion of the object.
b)
The greater the mass of an object, the faster the motion of the object.
c)
The greater the mass of an object, the greater the force to move the object.
d)
The greater the mass of an object, the greater the distance the object will travel.
15.

A pencil falls off of a desk. What moves the pencil toward the floor?

a)

mass

b)

friction

c)

gravity

d)

speed

16.

Which is the force that pulls a ball to the ground after being dropped?

a)

friction

b)

air resistance

c)

gravity

17.

A ball was rolling fast and then slowed. Which most likelycaused the ball to slow?

a)

heat

b)

friction

c)

momentum

d)

wind

18.

Which best describes the force of gravity?

a)

a puling force

b)

a pushing force

c)

change in mass

d)

change in speed

19.

A push or pull that can change the position and/or motion of an object

a)

Friction

b)

Force

c)

Gravity

d)

Magnetism

20.

The act of applying force to move something away

a)

Push

b)

Pull

c)

Motion

d)

Friction

21.

The act of applying force to move something toward with you

a)

Friction

b)

Push

c)

Pull

d)

Gravity

22.

A change in the position of an object

a)

Push

b)

Pull

c)

Position

d)

Motion

23.

Push or Pull...Picking a flower from the ground.

a)

push

b)

pull

24.

Force between two surfaces that are sliding is known as

a)

magnetism

b)

friction

c)

electric force

d)

I don't know

25.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
26.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
27.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
28.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
29.
Which has a STRONGER force of gravity, Earth or the Moon?
a)
Earth
b)
Moon
30.
Why can astronauts jump and float a little on the Moon?
a)
Because the Moon's gravity is NOT that STRONG.
b)
Because the Moon's gravity is VERY STRONG. 
31.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
32.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and volume
c)
distance and weight 
d)
weight and mass
33.

The mass of an object is one of the effects on the pull of gravity

a)

True

b)

False

34.

The distance between objects is also an effect on the pull of gravity

a)

True

b)

False

35.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
36.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
37.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
38.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
screw
d)
wheel and axle
39.
What is the fixed point upon which a lever rotates?
a)
fulton
b)
fulcrum
c)
furmen
d)
falcon
40.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
41.
A screw is made up of _________ wrapped around a post or rod.
a)
treads
b)
springs
c)
threads
d)
strings
42.

What simple machine makes work easier by using a wheel and rope to help move an object?

a)

pulley

b)

wheel & axle

c)

inclined plane

d)

wedge

e)

screw

43.

What simple machine is used to lift & move things by using a stiff bar that rests on a support called a fulcrum?

a)

screw

b)

wheel & axle

c)

lever

d)

pulley

e)

inclined plane

44.

What simple machine has two slanted sides that end in a sharp edge and cuts things or separates an object?

a)

screw

b)

pulley

c)

wedge

d)

inclined plane

e)

lever

45.

What simple machine is a slanted flat surface that helps move an object from a high position to a low position OR a low position to a high position?

a)

pulley

b)

lever

c)

screw

d)

inclined plane

e)

wedge

46.

Identify this simple machine.

a)

screw

b)

wedge

c)

inclined plane

d)

lever

e)

pulley